MediumFix available
mariadb — security advisory
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
- Products
- mariadb
- Affected versions
- Not specified
- Fixed versions
- 10.4.21-r0, 10.5.12-r0, 10.6.4-r0
- CVEs
- CVE-2021-2389
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:02 UTC · Revision 1
Source evidence
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
osv:ALPINE-CVE-2021-2389
mariadb
Fixed versions: 10.4.21-r0
mariadb
Fixed versions: 10.4.21-r0
mariadb
Fixed versions: 10.5.12-r0
mariadb
Fixed versions: 10.5.12-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
mariadb
Fixed versions: 10.6.4-r0
Complete source record
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"url": "https://osv.dev/vulnerability/ALPINE-CVE-2021-2389",
"method": "structured",
"payload": {
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"summary": "Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).",
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"aliases": [
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"metrics": [
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],
"modified": "2026-10-23T17:17:56.158686917Z",
"provider": "osv",
"upstream": [
"CVE-2021-2389"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2021-2389"
]
},
"related_cves": [
{
"value": "CVE-2021-2389",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415332,
"published_at": "2021-07-21T15:15:41.283+00:00"
}